Notes, Comments and Preliminary results Sep 27 2002 Xiaopeng Xu   Voting costs and voter welfare   Abstract  Contact Information  Citation  Full Text  -  Note   Sep 04 2002 Xiaopeng Xu   Threshold levels and the realization of a group benefit   Abstract  Contact Information  Citation  Full Text  -  Note   Jul 17 2002 Xiaopeng Xu   International best-shot public goods and foreign aid   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 08 2002 Xiaopeng Xu   Quality over-provision of information goods   Abstract  Contact Information  Citation  Full Text  -  Note   Jan 18 2002 Xiaopeng Xu   The effect of the status quo tie-breaking rule on prize winning   Abstract  Contact Information  Citation  Full Text  -  Note